共 9 条
[1]
ASHBAUGH DG, 1970, ARCH SURG-CHICAGO, V100, P568
[4]
HIGGINS GA, 1967, ARCH SURG-CHICAGO, V94, P539
[5]
LEROUX BT, 1968, GERIATRICS, V23, P148
[6]
MILLER AB, 1969, LANCET, V2, P501
[7]
MORRISON R, 1963, LANCET, V1, P683